Item | Standard | Analysis data |
Appearance | White powder with lumps | conforms |
Chloride (Cl) | Not more than0.07% | 0.01% |
Heavy metal(Pb) | Not more than 10ppm | 6ppm |
Arsenic(As2O3) | Not more than 2ppm | <2ppm |
Loss on drying | 8.5%~12.0% | 10.87% |
Residue on ignition (sulfated) | Not more than 0.20% | 0.07% |
Assay | 98.0 to101.0% | 99.0% |